The two workers that performed this service were here for two consecutive days, and they were very courteous and friendly, and extremely competent and clean. They used drop cloths on the floors, covered clothing and other items in the walk in closet with plastic. When the job was completed, they hooked up the testing equipment once again, and reran the test to determine the reduction of cold air from the initial test. The numbers were very much an improvement, and we both notice that the entire house is now uniformly warm and, indeed, is somewhat quieter.